N = int(input())
L = list(map(int, input().split()))
cnt = 0
for i in range(N):
    for j in range(N):
        for k in range(N):
            if i!=j!=k!=i and L[i]+L[j]>L[k] and L[j]+L[k]>L[i] and L[k]+L[i]>L[j] and L[i]!=L[j]!=L[k]!=L[i]:
                cnt += 1
print(cnt//6) N = int(input()) N int(input()) int input() input L = list(map(int, input().split())) L list(map(int, input().split())) list map(int, input().split()) map int input().split() ().split () input split cnt = 0 cnt 0 for i in range(N):
    for j in range(N):
        for k in range(N):
            if i!=j!=k!=i and L[i]+L[j]>L[k] and L[j]+L[k]>L[i] and L[k]+L[i]>L[j] and L[i]!=L[j]!=L[k]!=L[i]:
                cnt += 1 i range(N) range N for j in range(N):
        for k in range(N):
            if i!=j!=k!=i and L[i]+L[j]>L[k] and L[j]+L[k]>L[i] and L[k]+L[i]>L[j] and L[i]!=L[j]!=L[k]!=L[i]:
                cnt += 1 j range(N) range N for k in range(N):
            if i!=j!=k!=i and L[i]+L[j]>L[k] and L[j]+L[k]>L[i] and L[k]+L[i]>L[j] and L[i]!=L[j]!=L[k]!=L[i]:
                cnt += 1 k range(N) range N if i!=j!=k!=i and L[i]+L[j]>L[k] and L[j]+L[k]>L[i] and L[k]+L[i]>L[j] and L[i]!=L[j]!=L[k]!=L[i]:
                cnt += 1 i!=j!=k!=i and L[i]+L[j]>L[k] and L[j]+L[k]>L[i] and L[k]+L[i]>L[j] and L[i]!=L[j]!=L[k]!=L[i] i!=j!=k!=i and L[i]+L[j]>L[k] and L[j]+L[k]>L[i] and L[k]+L[i]>L[j] i!=j!=k!=i and L[i]+L[j]>L[k] and L[j]+L[k]>L[i] i!=j!=k!=i and L[i]+L[j]>L[k] i!=j!=k!=i i!=j!=k i!=j i j k i L[i]+L[j]>L[k] L[i]+L[j] L[i] L i L[j] L j L[k] L k L[j]+L[k]>L[i] L[j]+L[k] L[j] L j L[k] L k L[i] L i L[k]+L[i]>L[j] L[k]+L[i] L[k] L k L[i] L i L[j] L j L[i]!=L[j]!=L[k]!=L[i] L[i]!=L[j]!=L[k] L[i]!=L[j] L[i] L i L[j] L j L[k] L k L[i] L i cnt += 1 cnt 1 print(cnt//6) print cnt//6 cnt 6 N = int(input()) int(input()) N L = list(map(int, input().split())) list(map(int, input().split())) L cnt += 1 1 cnt cnt = 0 0 cnt
N = int(input())
L = list(map(int, input().split()))
cnt = 0
for i in range(N):
    for j in range(N):
        for k in range(N):
            if i!=j!=k!=i and L[i]+L[j]>L[k] and L[j]+L[k]>L[i] and L[k]+L[i]>L[j] and L[i]!=L[j]!=L[k]!=L[i]:
                cnt += 1
print(cnt//6)